Features 1.The insulating sleeve is made of high-quality rubber, and the terminal wiring is completed 2.Put on a protective cover, perfect insulation and flame retardant effect, safe and reliable 3.The products are sorted and packaged in a plastic box so that all items can be organized 4.The terminal is made of brass and tin plated, high conductivity, oxidation resistance, durable, high-quality plastic protective sleeve, insulation and flame retardant 5.Products of different sizes are placed separately to avoid confusion and are convenient for you to use Specification Item Type: Crimp Terminal Material: Copper + Rubber Package List 30 x Insert Spring Gold Bullet Female 3.9mm Weight 340g/1000 30 x Insert Spring Gold Bullet Female 3.9mm Weight 320g/1000 30 x Long Transparent Sheath, Bullet Head Female Insert Spring Supporting 3.9mm Weight 250g/1000 30 x Short Transparent Sheathed Bullet Male Plug Spring Supporting 3.9mm Weight 110g/1000